<template>
  <div id="app">

    <router-view/>
  </div>
</template>

<script>
export default {
  name: 'App',
  created(){
      window.addEventListener('beforeunload',()=>{
          console.log('页面要刷新啦！！！,赶紧保存数据！！！！');
          //sessionStorage.setItem('cart_length',this.$store.state.cart_length);
          localStorage.setItem('cart_length',this.$store.state.cart_length);
      });


  },
}
</script>

<style>

</style>
